做网页时出现的错误代码,高手的帮看看 什么原因啊??

来源：百度知道 编辑：UC知道 时间：2024/06/08 19:57:24
HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:516)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:423)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
filemanager.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:40)

是空指针，你最好检查一下你的网页中有没有值为NULL的对象，如果对象的值为NULL而你却又调用了这对象的方法或属性，那么就会抛出异常

HTTP Status 500错误是代码有错，你用的是Apache5.5.12需要插件才能支持java语言！

呵呵 java我没学过。